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Tom [10]
3 years ago
15

Tony is building a new silo to store corn as animal feed. It will be a cylinder topped with a half-sphere, and must store 21 000

t of corn. The entire silo can be filled with corn. Tony wants to minimize the surface area of the silo to reduce materials and paint costs. He has the following information:
• 1 cubic m of corn has a mass of 700 kg.
• Building costs are $8/m2, taxes included.
• Paint comes in 3.8 L cans.
Each can covers 40 sq m and costs $35,
taxes included.
• Corn costs $140 per tonne ($140/t), taxes
included.
What is the total cost to build, paint, and fill a silo with the least surface area?
Mathematics
1 answer:
ehidna [41]3 years ago
8 0

Answer:

The total bill is $6900 because 69 is a man which hair is multi colour

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Maggie buys 1 1/8 pounds of pecans,9 ounces of almonds,and 5/8 pound of walnuts.How much do the nuts weigh in all?
Paha777 [63]

Answer:

The nuts weigth is 37/16 or 2.3125 pounds.

Step-by-step explanation:

In order to solve this problem we first need to convert all the measurements to the same unit, in this case we will convert ounces to pounds, to do that we need to divide the value by 16, we have:

almonds = 9/16  pounds

We can now convert the weigh of pecans from a mixed fraction to a simple fraction, to do that we sum the integer part to the fraction, we have:

pecans = 1 + 1/8 = 8/8 + 1/8 = 9/8 pounds

We now sum all the weigths:

total weigth = 9/8 + 5/8 + 9/16

Applying LMC we have:

total weigth = (2*9 + 2*5 + 9)/16 = (18 + 10 + 9)/16 = 37/16 = 2.3125 pounds

The nuts weigth is 37/16 or 2.3125 pounds.

3 0
3 years ago
A study conducted on 40,000 words in the English language found that about 6,670 words started with the letter T, which is the m
Jlenok [28]

Answer:

Required Probability=\frac{^{6670}C_{20}}{^{40000}C_{20}}

Step-by-step explanation:

We have been given the total  40,000 words

And the words that started with letter T is 6,670

We need to find the probability of the words beginning with T

Words beginning with T will be ^{6670}C_{20}

Total words after choosing 20 unique words would be: ^{40000C_{20}

Probability=\frac{\text{words beginning with T}}{\text{total words}}

Probability=\frac{^{6670}C_{20}}{^{40000}C_{20}}

Hence,

Required Probability=\frac{^{6670}C_{20}}{^{40000}C_{20}}

6 0
3 years ago
Read 2 more answers
Billie bikes 9 miles in 45 minutes. Which rates are equivalent to 9 miles in 45 minutes? Select all that app
Whitepunk [10]

The equivalent rate to 9 miles in 45 minutes is C. 13.5 miles in 67.5 minutes

<h3>How to calculate the value?</h3>

From the information, Billie bikes 9 miles in 45 minutes. It should be noted that this is:

9/45 = 1/5

Therefore, the equivalent option is:

13.5 miles in 67.5 minutes. It should be noted that when it's divided, it'll be 1/5

Therefore, the correct option is C

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

3 0
2 years ago
4 friends shared a pizza dinner. The cost of the meal was $38 including the tip. If they shared the cost of the meal equally, ho
mote1985 [20]
38$/The 4 friends 
They would each pay 9.50$ 

4 0
3 years ago
What is the greatest common factor that 2 numbers between 40 and 50 can have ??
ivann1987 [24]
The answer for it has to be 5 because 5*8=40 and 5*10=50 so its 5

8 0
4 years ago
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